Answers

Add 1/70 and 54/81

1/70 + 54/81 is 143/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 81 is 5670
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5670
2. For the 1st fraction, since 70 × 81 = 5670,
   1/70 = 1 × 81/70 × 81 = 81/5670
3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
   54/81 = 54 × 70/81 × 70 = 3780/5670
4. Add the two like fractions:
   81/5670 + 3780/5670 = 81 + 3780/5670 = 3861/5670
5. 3861/5670 simplified gives 143/210
6. So, 1/70 + 54/81 = 143/210

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